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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4842) yarn logs command should not require the appOwner argument
Date Tue, 22 Mar 2016 14:20:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-4842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15206429#comment-15206429
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Junping Du commented on YARN-4842:
----------------------------------

Agree that appOwner is not necessary in most cases. [~xgong], what do you think?
v2 patch looks good in overall. Test failures seems to be unrelated: TestYarnClient run successfully
in local with this patch. TestGetGroups failed also without applying this patch (first time
I saw this, will file issue if we didn't filed it before). Other failures have been seen many
times and I am sure we have JIRAs to track them.

> yarn logs command should not require the appOwner argument
> ----------------------------------------------------------
>
>                 Key: YARN-4842
>                 URL: https://issues.apache.org/jira/browse/YARN-4842
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Ram Venkatesh
>            Assignee: Ram Venkatesh
>         Attachments: YARN-4842.1.patch, YARN-4842.2.patch
>
>
> The yarn logs command is among the most common ways to troubleshoot yarn app failures,
especially by an admin.
> Currently if you run the command as a user different from the job owner, the command
will fail with a subtle message that it could not find the app under the running user's name.
This can be confusing especially to new admins.
> We can figure out the job owner from the app report returned by the RM or the AHS, or,
by looking for the app directory using a glob pattern, so in most cases this error can be
avoided.
> Question - are there scenarios where users will still need to specify the -appOwner option?



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